Display screen or portion thereof with graphical user interface



The FIGURE is a front view of a display screen or portion thereof with graphical user interface showing the new design.

The long-short broken lines around the FIGURE show a boundary of the display screen or portion thereof with graphical user interface and form no part of the claimed design. The remainder of the broken lines show portions of the graphical user interface that form no part of the claimed design. 

CLAIM I claim, the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 